# Copyright (C) 2006, Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

import gtk
import hippo
import cairo

from sugar.graphics.menushell import MenuShell
import sugar
from view.home.MeshBox import MeshBox
from view.home.HomeBox import HomeBox
from view.home.FriendsBox import FriendsBox

_HOME_PAGE    = 0
_FRIENDS_PAGE = 1
_MESH_PAGE    = 2

class HomeWindow(gtk.Window):
    def __init__(self, shell):
        gtk.Window.__init__(self)
        self._shell = shell
        self._active = False

        self.set_default_size(gtk.gdk.screen_width(),
                              gtk.gdk.screen_height())

        self.realize()
        self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DESKTOP)
        self.connect("key-release-event", self._key_release_cb)
        self.connect('focus-in-event', self._focus_in_cb)
        self.connect('focus-out-event', self._focus_out_cb)

        self._nb = gtk.Notebook()
        self._nb.set_show_border(False)
        self._nb.set_show_tabs(False)

        self.add(self._nb)
        self._nb.show()

        canvas = hippo.Canvas()
        self._home_box = HomeBox(shell)
        canvas.set_root(self._home_box)
        self._nb.append_page(canvas)
        canvas.show()

        canvas = hippo.Canvas()
        box = FriendsBox(shell, MenuShell(canvas))
        canvas.set_root(box)
        self._nb.append_page(canvas)
        canvas.show()

        canvas = hippo.Canvas()
        self._mesh_box = MeshBox(shell, MenuShell(canvas))
        canvas.set_root(self._mesh_box)
        self._nb.append_page(canvas)
        canvas.show()

    def _key_release_cb(self, widget, event):
        keyname = gtk.gdk.keyval_name(event.keyval)
        if keyname == "Alt_L":
            self._home_box.release()

    def _update_mesh_state(self):
        if self._active and self._nb.get_current_page() == _MESH_PAGE:
            self._mesh_box.resume()
        else:
            self._mesh_box.suspend()

    def _focus_in_cb(self, widget, event):
        self._active = True
        self._update_mesh_state()

    def _focus_out_cb(self, widget, event):
        self._active = False
        self._update_mesh_state()
            
    def set_zoom_level(self, level):
        if level == sugar.ZOOM_HOME:
            self._nb.set_current_page(_HOME_PAGE)
        elif level == sugar.ZOOM_FRIENDS:
            self._nb.set_current_page(_FRIENDS_PAGE)
        elif level == sugar.ZOOM_MESH:
            self._nb.set_current_page(_MESH_PAGE)

        self._update_mesh_state()
        
    def get_home_box(self):
        return self._home_box